mydoom | d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7

General

Target

d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe
Size

42KB
MD5

03454ec0a2887da44738c52261bbb88b
SHA1

ec54040df429096a332e89d344074601148dacb8
SHA256

d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7
SHA512

f10ceda86be886200405f17fcab3733ea87edbc9b3d54529dc7dc824504d6df81f0c8de2b21f50e7311fce76b9b43f86abafbc2071fb4cf615209bf16726a1a1
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/R:AEwVs+0jNDY1qi/qZ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/1748-16-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/1748-60-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom

Executes dropped EXE 1 IoCs

pid	Process
2044	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1748-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/1748-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000016dbc-7.dat	upx
behavioral1/memory/1748-9-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1748-16-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2044-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-25-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-37-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-49-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2044-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1748-60-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2044-61-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe
File opened for modification	C:\Windows\java.exe	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe
File created	C:\Windows\java.exe	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2044	1748	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe	30
PID 1748 wrote to memory of 2044	1748	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe	30
PID 1748 wrote to memory of 2044	1748	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe	30
PID 1748 wrote to memory of 2044	1748	d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe	30

C:\Users\Admin\AppData\Local\Temp\d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe
"C:\Users\Admin\AppData\Local\Temp\d4f6ef4d96b88ff2f5d5895a97cd6ddecfcb7f73530fb9e612906af4013f6ee7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sjN4knybix.log

Filesize
128B

MD5
d2a17d6086821f0d5c35380f0647f9dc

SHA1
dda623badd5271365ff6d5d6293fc3355026ae07

SHA256
496758caf9386a6adc8319efd2679a5059d7ee0fcddbf138f338cbbc45a7b499

SHA512
5cd2821c40664b272e7bbf89836d983a7eeb3a93e1af7344cba0bfdf72c7f344a58dda9d5aa23b4d3bd291a4563db624a96aeca2fd5b3a0dfd00624ee52daa45

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1748-16-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1748-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1748-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1748-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1748-60-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1748-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-37-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-49-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2044-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads